CN105518326B - Planetary transmission and method for wind power station - Google Patents
Planetary transmission and method for wind power station Download PDFInfo
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- CN105518326B CN105518326B CN201480048424.3A CN201480048424A CN105518326B CN 105518326 B CN105518326 B CN 105518326B CN 201480048424 A CN201480048424 A CN 201480048424A CN 105518326 B CN105518326 B CN 105518326B
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- guide passage
- oil guide
- hollow shaft
- oil
- shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
- F16H1/2845—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels by allowing limited movement of the sun gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/06—Lubrication details not provided for in group F16D13/74
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to a kind of planetary transmission for wind power station.The transmission device includes：The circular planetary stage in gear mechanism housing (4)；It is connected to the roller gear level in planetary stage downstream；The solar shaft (327) being torsionally connected with the sun gear of planetary stage；And hollow shaft (400), it is concentrically surrounding by the roller gear (32) of roller gear level and is torsionally connected therewith.Solar shaft (327) and hollow shaft (400) are torsionally connected each other by tooth coupler (ZK2), and wherein the outer toothed portion of solar shaft (327) is engaged with the interior teeth portion of hollow shaft (400).Transmission device has Oil Guide passage (43,46) connection between oily supply unit (41) and another aspect tooth coupler (ZK2) and axially facing surface (50) that, its generation is connected with gear mechanism housing (4) on the one hand.
Description
Technical field
The present invention relates to a kind of planetary transmission for wind power station.
Background technology
2594789 A1 of EP (Winergy AG) on May 22nd, 2013 describe a kind of to wind turbine transmission device
Tooth coupler lubriation material supply.Here, lubriation material is sprayed onto lubriation material supply ring by lubriation material supply nozzle
At the reach through hole of cone.Supplying extension of the ring on the direction of tooth coupler by lubriation material realizes the lubrication material of ejection
Further conveying of the material on the direction of tooth coupler.
Wind turbine transmission device can include tooth shaft connecting portion and thrust bearing surface, the two is in two rotating components
It is internal.The ample supply for the lubricant that such metal is contacted with metal is important, so as to reduce abrasion.Lubricating place is only
Only indirect accessibility and oil spurts is passed through by centrifugal force caused by the rotation of component or oily flusher carries out
Sufficient lubrication supply become difficult.In practice, the free jet injection to lubricating place causes huge lubriation material to damage
Lose, so that only only a fraction of lubriation material reaches lubricating place.Therefore it is subject to for lubricating place supply lubriation material huge
Influence.
The content of the invention
Therefore, it is an object of the invention to ensure the improved lubriation material supply in wind turbine transmission device.
The purpose with a kind of planetary transmission for wind power station according to the present invention by realizing.The use
Planetary transmission in wind power station includes：The planetary stage of circular driving side in gear mechanism housing；Connection
In the roller gear level of the outlet side in planetary stage downstream；The solar shaft being torsionally connected with the sun gear of planetary stage；It is and hollow
Axis, it is concentrically surrounding by the roller gear of roller gear level and is torsionally connected therewith.Solar shaft and hollow shaft pass through tooth
Coupler is torsionally connected each other, and the outer toothed portion of solar shaft is engaged with the interior teeth portion of hollow shaft in tooth coupler.Solar shaft and
Hollow shaft abuts against each other in the region of axially facing surface.Transmission device has Oil Guide passage, it is coupled for force feed tooth
Device and axially facing surface and generate the oily supply unit being connected on the one hand with gear mechanism housing and another aspect tooth coupler with
And the connection between axially facing surface.Wind-power transmission device can also include more than two planetary stages.Wind-power transmission device also may be used
With with multiple axially facing surfaces, wherein according to the present invention, oil can be delivered at least one axially contact by Oil Guide passage
Face.
In the description, " lubriation material " and " oil " is defined synchronously to be used.The use of " oil " is defined including all suitable
Lubriation material.
The present invention is based on the recognition that is,-different from oil spurts or oil sprinkling lubrication-by means of Oil Guide passage
Force feed lubriation material can also be taken to method in a reliable fashion atwirl axis in addition be difficult touch,
Such as because at the lubricating place only indirectly touched.Based on the axis being engaged with each other, i.e. solar shaft and hollow shaft 450 turns/
Minute scope in typical rotating speed the reason for, therefore occur in free jet injection dangerous, i.e., oil reaches lubrication position
Thrown away before putting by centrifugal force from component.Using force feed, preferably by more than atmospheric pressure at least about 1 to 1.5
Bar oil pressure, although effective centrifugal force, oil can also be reliably delivered to position to be lubricated.For the logical of force feed
Normal oil pressure is at about 1 to 2 bar, especially at 1.5 to 2 bars.
The present invention solves the problems, such as that huge lubriation material loses, the loss appear in realize up to now pass through freedom
When oil spurts or oil sprinkling of the jet stream supply to tooth coupler lubricate.Substitute oil spurts or oil sprinkling lubrication, according to this hair
It is bright to propose by being connected for the rotation of lubriation material to carry out pressure oil supply to lubricating place.It is thus achieved that in freedom
The very big reduction for the loss that jet stream occurs when lubricating.
Brand-new type treat lubricating place lubriation material supply another advantage is that, compulsory percolation side
To.It is thus achieved that the wear particle of the i.e. contact area from component is brought out and is no longer able to produce to promote abrasion
Effect.
In transmission device, it is provided with axially contact in order to which axial force is delivered on second component from first component
Face.An example for such component pair is the sun of the planetary stage in the transmission device for wind power station
The hollow shaft of wheel shaft and roller gear level.Here, the annular contact surface of sun wheel shaft is resisted against the corresponding contact surface of hollow shaft
On.One technical problem is, is worn at the axially facing surface of the component to abut against each other.By wearing generation or straight
Connect and depend on the displacement of abrasion either teeth portion or bearing as caused by the releasing of wear particle indirectly each other as component
Damage.The abrasion is by reducing the reliable lubrication of contact surface, as it can utilize the present invention to realize.
A preferable improvement project according to the present invention, planetary transmission include first axis Oil Guide passage,
First axis Oil Guide passage is formed by the toroidal cavity extended between hollow shaft and solar shaft, and/or the second axial Oil Guide
Passage, the second axial Oil Guide passage extend axially through hollow shaft guiding, and radial direction Oil Guide passage, and radial direction Oil Guide passage is radially
The ring extension being passed through in hollow shaft, and an end with oily supply unit and in another end and first axis
Oil Guide passage and/or the second axial Oil Guide passage connection.
A preferable improvement project according to the present invention, planetary transmission include：In gear mechanism housing
Circular planetary stage；It is connected to the roller gear level in planetary stage downstream；The solar shaft being torsionally connected with the sun gear of planetary stage；
And hollow shaft.The hollow shaft is concentrically surrounding by the roller gear of roller gear level and is torsionally connected therewith.Solar shaft
It is torsionally connected each other by tooth coupler with hollow shaft.Tooth coupler passes through the outer toothed portion of solar shaft and the interior teeth portion of hollow shaft
Formed, the two is engaged with each other.Tooth coupler is in the axial segment of transmission device, and in the section, solar shaft is by hollow
Axis surrounds.Transmission device is included in the first axle guide of guiding to tooth coupler that is extending between hollow shaft and solar shaft in addition
Oily passage and rotary transfer apparatus, it is suitable for oil being transmitted to the first Oil Guide from the oily supply unit being connected with gear mechanism housing
Passage.
One according to the present invention is advantageously improved scheme, and transmission device includes rotary transfer apparatus, its be suitable for by oil from
Oily supply unit is transmitted to Oil Guide passage.
One according to the present invention is advantageously improved scheme, and rotary transfer apparatus is included in the ring being formed in hollow shaft
The annular groove of excision, oily supply unit is passed into annular groove and annular groove is connected with Oil Guide passage.
Alternatively, the ring with annular groove can also be designed to single insertion ring or lubriation material supply ring, to take
In generation, is integrally formed with hollow shaft.Here, insertion ring can be static relative to hollow shaft or be rotated with other speed.Insert
Entering ring also can be with hollow axis connection.In addition, insertion ring can have Oil Guide passage, it is in first end and passes through transmission device shell
The oily supply unit connection of the wall guided of body, the oil supply unit are connected with oily delivery pump.Oil Guide passage is in second end and axial Oil Guide
Passage connects, perhaps again by annular groove.
One according to the present invention is advantageously improved scheme, and the rotary transfer apparatus for lubriation material includes annular groove, its
Cut off in the ring being formed in hollow shaft.The oily supply unit preferably guided by gear mechanism housing is passed into the annular groove
In.The rotary transfer apparatus for being used for lubriation material includes at least one Oil Guide passage in addition, it extends radially through ring extension simultaneously
And therefore it is formed in the connection between annular groove and at least one axial Oil Guide passage.
One according to the present invention is advantageously improved scheme, tooth coupler in the axial segment of transmission device,
Axial segment hollow mandrel surrounds solar shaft.
One according to the present invention is advantageously improved scheme, and the driving side end of first axis Oil Guide passage passes through in the sun
The lip ring sealing arranged between axis and hollow shaft.The seal can be designed to contact seals, such as O-ring, or
The contactless sealing part of two components of person, such as labyrinth.O-ring can be arranged in hollow shaft or solar shaft herein
Annular groove in.Two component solar shafts and the seal of hollow shaft produce such effect, i.e., lubriation material not again can from
Lost on the direction left on tooth coupler, that is to say, that will not be left from first axis Oil Guide passage.Therefore, tooth coupling is passed through
The percolation in clutch and possible other axial thrust bearing face even can be stronger and be lost less.
One according to the present invention is advantageously improved scheme, and the annular cavity extended between solar shaft and hollow shaft connects
It is connected to the end for being away from first axis Oil Guide passage of tooth coupler.Cavity connects in side and the axial direction of solar shaft and hollow shaft
Contacting surface connects, and is connected in opposite side by tooth coupler with first axis Oil Guide passage.Pass through first axis Oil Guide passage
Be conveyed to the oil of tooth coupler therefore can in lubricity flow by after tooth coupler by cavity to reaching hollow shaft
With the axially facing surface of solar shaft, and there provide be used for reduce abrasion lubrication.
One according to the present invention is advantageously improved scheme, and solar shaft has the protrusion of annular, its ring with hollow shaft
Collective effect, so as to form an end of first axis Oil Guide passage.Here, the protrusion of annular is not resisted against hollow shaft
Ring on, and be to maintain a gap, which can preferably be sealed by-contact or contactless-seal.
Because annular projection has further reduced the cross section of first axis Oil Guide passage, therefore completely enclosed seal can
With the smaller of design.First axis Oil Guide passage is in the effect of its closing on the end with tooth coupler, that is, moistens
Sliding material is no longer able to lose in the direction left from tooth coupler, that is to say, that will not be from first axis Oil Guide passage
Leak out.Therefore, by tooth coupler and may the percolation in other axial thrust bearing face even can be stronger and lose more
It is few.
One according to the present invention is advantageously improved scheme, and oily supply unit is connected with oily delivery pump.Thus, it is possible to default
Pressure under to lubricating place carry out force feed.
The purpose also by being realized to the method that is lubricated for the planetary transmission of wind power station, its
In, planetary transmission includes：The planetary stage of circular driving side in gear mechanism housing；It is connected to planetary stage downstream
Outlet side roller gear level；The solar shaft being torsionally connected with the sun gear of planetary stage；And hollow shaft, hollow shaft is by justifying
The roller gear of stud wheel level is concentrically surrounding and is torsionally connected therewith, wherein, solar shaft and hollow shaft are coupled by tooth
Device is torsionally connected each other, and is abut against each other in the region of axially facing surface, in tooth coupler, the outer toothed portion of solar shaft
Engaged with the interior teeth portion of hollow shaft, wherein, oil is guided to tooth coupler and axially facing surface by Oil Guide passage using pressure,
The oily supply unit and another aspect tooth coupler and axially connect that the generation of Oil Guide passage is connected with gear mechanism housing on the one hand
Connection between contacting surface.
When oil is with about 1 to 1.5 bar of the pressure transmission at least on atmospheric pressure to tooth coupler and axially facing surface
When be preferable.Usual oil pressure for force feed is at about 1 to 2 bar, especially at 1.5 to 2 bars.Need to bear or pass through
Corresponding larger oil mass stream is lost to compensate by relatively high oil pressure and the leakage that reality occurs, especially rotating and not
At crossover position between rotating component.
It is when the oil guided by Oil Guide passage is directed to tooth coupler before or after axially facing surface is reached
Favourable.
Brief description of the drawings
Next the present invention is further described below with reference to the accompanying drawings in embodiment.Shown in figure：
Fig. 1 is the cross-sectional view of three gear stages for wind power station；
Fig. 2 is the enlarged drawing of the first embodiment in Fig. 1；And
Fig. 3 is the enlarged drawing of the second embodiment in Fig. 1.
Embodiment
Fig. 1 shows transmission device, it includes the first planetary stage 1 of driving side, is connected to the defeated of 1 downstream of the first planetary stage
Go out the second planetary stage 2 of side and the roller gear level 3 of outlet side, it is surrounded by gear mechanism housing.In gear mechanism housing 4
In be supported with the drive shaft 5 that can be connected with rotor hub and the output shaft 6 with that can be connected with generator.Drive shaft 5 and driving
The planetary gear carrier 13 of the planetary stage 1 of side connects, and the unshowned cylinder of drive shaft 6 and the roller gear level 3 of outlet side
Pinion gear connects.
Two planetary stages 1,2 include hollow wheel 14,24, multiple planets being supported in planetary gear carrier 13,23 respectively
Gear 12,22 and sun gear 11,21.Drive shaft 5 is formed on the planetary gear carrier 13 of the planetary stage 1 of driving side herein
On.The solar shaft 111 being torsionally connected with the sun gear 11 of the planetary stage 1 of driving side passes through short tooth coupler ZK1 and the second row
The planetary gear carrier 23 of star 2 connects.Hollow shaft is integrally formed with the planetary gear carrier 23 of the second planetary stage 2
231, it surrounds the end section of the solar shaft 111 of the planetary stage 1 of driving side with one heart.It is short between two planetary stages 1,2
Tooth coupler ZK1 is formed on the solar shaft 111 of planetary stage 1 of driving side by outer toothed portion herein, and passes through interior teeth portion shape
Into in the hollow shaft 231 in the planetary gear carrier 23 in the second planetary stage 2.
Roller gear level 3 further includes the roller gear 32 being engaged therewith and hollow shaft 400 in addition to including cylinder pinion gear,
Its by roller gear 32 relative to transmission device axis A coaxially around and be torsionally connected therewith.With the second planetary stage 2
The solar shaft 327 that sun gear 21 is torsionally connected is connected by short tooth coupler ZK2 with the hollow shaft 400 of roller gear level 3, its
End section relative to transmission device axis A coaxially around solar shaft 327.The second planetary stage 2 and roller gear level 3 it
Between short tooth coupler ZK2 be formed in herein by outer toothed portion on the solar shaft 327 of the second planetary stage 2, and pass through interior teeth portion
It is formed in the hollow shaft 400 of roller gear level 3.In order to make the abrasion of tooth coupler ZK2 keep smaller, it should be lubricated.
It is being acted on solar shaft 327, pass through the helical teeth of sun gear 21 and the second planet being engaged with sun gear 21 in addition
The axial force that the planetary gear 22 of level 2 triggers causes solar shaft 327 to extrude the hollow shaft 400 of roller gear level 3.Here, the sun
Axis 327 and hollow shaft 400 contact at corresponding axial contact surface 50, at so-called axially facing surface.In order to make axial connect
The abrasion of contacting surface 50 keeps smaller, it should be lubricated.
Fig. 2 shows the amplification details in Fig. 1, more specifically in the region for the tooth coupler ZK2 for connecting two components
In the solar shaft 327 of the second planetary stage and the hollow shaft 400 of roller gear level and axial direction contact surface 50.In solar shaft
Through hole B in 327 end face is used for operation of components during manufacture.
Oily supply unit 41 is connected with gear mechanism housing 4.Oily supply unit 41 is connected with oily delivery pump, and therefore, oil can be
Conveyed under default pressure by oily supply unit 41.Oily supply unit 41 is passed into annular groove 42, which is formed in the outer of ring 44
On circumference, which is formed on the rotor side end of hollow shaft 400.Since annular groove 42, in radial directions draw one or
The multiple radial direction Oil Guide passages 43 of person, oil can be booted up by the Oil Guide passage towards the side of solar shaft 327.
The end towards solar shaft 327 of radial direction Oil Guide passage 43 is passed into first axis Oil Guide passage 46.Passage 46
Rotor side end be locked at by annular projection 45 on the outer circumferential surface of solar shaft 327, it extends to the ring 44 of hollow shaft 400
Inner periphery.In order to which fully liquid hermetically seals the rotor side end of first axis Oil Guide passage 46, in solar shaft
The sealing ring 40 in annular groove is provided between 327 protrusion 45 and the ring 44 of hollow shaft 400.
First axis Oil Guide passage 46 is extended in the form of the hollow cylinder between solar shaft 327 and hollow shaft 400
To the second tooth coupler ZK2.First axis Oil Guide passage 46 is also just automatically formed in an axial segment of transmission device,
Solar shaft 327 is surrounded in the section hollow mandrel 400.Connection is by tooth on the end of the outlet side of first axis Oil Guide passage 46
Coupler ZK2.Connected on the end of the outlet side of tooth coupler ZK2 by toroidal cavity 47, its-such as first axis Oil Guide passage
As 46-automatically formed in an axial segment of transmission device, surround solar shaft 327 in the section hollow mandrel 400.
Axially facing surface 50 be in the end of the outlet side of cavity 47, hollow shaft 400 and solar shaft 327 along the axially facing surface that
This against.
In the operation of planetary transmission, the component that is torsionally of coupled connections each other by tooth coupler ZK2, i.e.
Solar shaft 327 and hollow shaft 400 are rotated one another around transmission device axis A, such as with the rotating speed in the range of 470 revs/min.
Oil is pumped into from the oily supply unit 41 being connected with non-rotary gear mechanism housing 4 in the annular groove 42 of rotating hollow shaft 400.
In fig. 2, the flow direction of oily setting is shown by arrow.Based on the reason for the oil pressure, oil can be resisted by hollow shaft 400
Turning effort to oil on centrifugal force first axis Oil Guide passage 46 is delivered to by the Oil Guide passage 43 of radial direction.Pass through first
The closing of the Fluid Sealing of the driving side end of axial Oil Guide passage 46, oil are forcibly only flowed on desired flow direction
It is dynamic.Therefore, oil sequentially percolation passes through tooth coupler ZK2, cavity 47 and axially facing surface 50.Flowed out from axially facing surface 50
Afterwards, oil is flow in the oil groove of transmission device.
Lubriation material is realized in this way, more precisely in the form of force feed in the second planetary stage 2
Solar shaft 327 and the hollow shaft 400 of the roller gear level 3 coaxially surrounded by the roller gear 3 of roller gear level 3 and axial
The reliable and continuous percolation of tooth coupler ZK2 between contact surface 50.It is real by the mandatory percolation on default direction
The effect that wear particle is drawn and no longer produced from the contact area of component and promotes abrasion is showed.
Fig. 3 shows the identical component such as Fig. 2, but is interchangeable designing scheme according to the present invention.Therefore draw
Fig. 2 is proved with above-mentioned explanation, but wherein there are ensuing difference：Substitute first axis Oil Guide passage 46, set at this
Meter scheme hollow mandrel 400 has the second axial Oil Guide passage 48, it penetrates hollow shaft parallel to transmission device axis A.Radially
The radial direction oil passage 43 for turning over ring 44 is formed as blind hole, but is connected with the second axial Oil Guide passage 48.On one end,
Two axial Oil Guide passages 48 extend up to the side of ring 44, and on another end, it is passed into cavity 47.Because in ring 44
A side on the opening that sets after passage 48 is generated and be closed, such as closed by closing cock 49, therefore pass through
The oil that radially oily passage 43 conveys can only flow by the second axial Oil Guide passage 48 in one direction.Oil therefore first
Enter in cavity 47.From there, a part of oil stream, to axially facing surface 50, the oil of remainder can be from cavity 47
Flow to tooth coupler ZK2.
Although the present invention is further illustrated and described by preferred embodiment in detail, the present invention is simultaneously
Limited from disclosed example.
Claims (14)
1. a kind of planetary transmission for wind power station, including：
The planetary stage (2) of-driving side circular in gear mechanism housing (4)；
- be connected to the planetary stage (2) downstream outlet side roller gear level (3)；
- the solar shaft (327) being torsionally connected with the sun gear (21) of the planetary stage (2)；And
- hollow shaft (400), the hollow shaft be concentrically surrounding by the roller gear (32) of the roller gear level (3) and with
The roller gear is torsionally connected,
Wherein,
- the solar shaft (327) and the hollow shaft (400) are torsionally connected each other by tooth coupler (ZK2), and in axis
Abut against each other into the region of contact surface (50), in the tooth coupler, outer toothed portion and the sky of the solar shaft (327)
The interior teeth portion engagement of mandrel (400), and
- the transmission device has Oil Guide passage, for tooth coupler (ZK2) and the axially facing surface described in force feed
(50), the Oil Guide passage generates the oily supply unit (41) of the connection gear mechanism housing (4) at one end and in the other end
The tooth coupler (ZK2) and the axially facing surface (50) between connection.
2. planetary transmission according to claim 1, including：
- first axis Oil Guide passage (46), the first axis Oil Guide passage pass through in the hollow shaft (400) and the sun
The toroidal cavity extended between axis (327) is formed, or the second axial Oil Guide passage (48), and the described second axial Oil Guide passage is axial
Ground is guided through the hollow shaft (400), and
- radial direction Oil Guide passage (43), the radial direction Oil Guide passage extend radially through the ring being formed in the hollow shaft (400)
(44) extend and at one end with the oily supply unit (41) and in another end and the first axle guide
Oily passage (46) or second axial Oil Guide passage (48) connection.
3. planetary transmission according to claim 2, including rotary transfer apparatus, the rotary transfer apparatus is fitted
For oil to be transferred to the radial direction Oil Guide passage (43), the first axis Oil Guide passage (46) from the oily supply unit (41)
Or the second axial direction Oil Guide passage (48).
4. planetary transmission according to claim 3, wherein, the rotary transfer apparatus, which is included in, is formed in institute
The annular groove (42) of excision in the ring (44) in hollow shaft (400) is stated, the oil supply unit (41) is passed into the annular groove, and
The annular groove leads to the radial direction Oil Guide passage (43), the first axis Oil Guide passage (46) or the second axial Oil Guide
Road (48) connects.
5. planetary transmission according to claim 1 or 2, wherein, the tooth coupler (ZK2) is arranged in described
In the axial segment of transmission device, the hollow shaft (400) described in the axial segment surrounds the solar shaft (327).
6. planetary transmission according to claim 4, wherein, the tooth coupler (ZK2) is arranged in the biography
In the axial segment of dynamic device, the hollow shaft (400) described in the axial segment surrounds the solar shaft (327).
7. planetary transmission according to claim 2, wherein, the driving of the first axis Oil Guide passage (46)
Side end is sealed by the lip ring (40) arranged between the solar shaft (327) and the hollow shaft (400).
8. planetary transmission according to claim 2, wherein, the driving of the described second axial Oil Guide passage (48)
Side end is sealing.
9. planetary transmission according to claim 8, wherein, the described second axial Oil Guide passage (48) it is described
Driving side end is designed as perforative through hole, and the opening of the driving side of the through hole is subsequently closed by closing cock (49).
10. according to the planetary transmission described in claim 1,2,7 or 9, wherein, the oil supply unit (41) and oil are defeated
Pump is sent to connect.
11. planetary transmission according to claim 6, wherein, the oil supply unit (41) connects with oily delivery pump
Connect.
12. a kind of method for lubricating the planetary transmission for wind power station, wherein, the Planetary Gear Transmission dress
Put including：The planetary stage (2) of circular driving side in gear mechanism housing (4)；It is connected to the defeated of the planetary stage (2) downstream
Go out the roller gear level (3) of side；The solar shaft (327) being torsionally connected with the sun gear (21) of the planetary stage (2)；It is and empty
Mandrel (400), the hollow shaft be concentrically surrounding by the roller gear (32) of the roller gear level (3) and with the cylinder
Gear is torsionally connected, wherein, the solar shaft (327) and the hollow shaft (400) are antitorque each other by tooth coupler (ZK2)
Ground is connected and abut against each other in the region of axially facing surface (50), in the tooth coupler, the solar shaft (327)
Outer toothed portion is engaged with the interior teeth portion of the hollow shaft (400),
Wherein, oil is guided to tooth coupler (ZK2) and axially facing surface by Oil Guide passage (43,46,48) using pressure
(50), the Oil Guide passage generates the oily supply unit (41) of the connection gear mechanism housing (4) at one end and in the other end
The tooth coupler (ZK2) and the axially facing surface (50) between connection.
13. according to the method for claim 12, wherein, will by the Oil Guide passage (43,46,48) guide oil up to
The tooth coupler (ZK2) is conveyed to before or after to the axially facing surface (50).
14. the method according to claim 12 or 13, wherein, oil is passed using pressure of 1 to 1.5 bar more than atmospheric pressure
Transport to the tooth coupler (ZK2) and the axially facing surface (50).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013217950.2A DE102013217950A1 (en) | 2013-09-09 | 2013-09-09 | Planetary gear for a wind turbine |
| DE102013217950.2 | 2013-09-09 | ||
| PCT/EP2014/067108 WO2015032591A1 (en) | 2013-09-09 | 2014-08-08 | Planetary gear train for a wind power plant and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105518326A CN105518326A (en) | 2016-04-20 |
| CN105518326B true CN105518326B (en) | 2018-05-11 |
Family
ID=51357921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480048424.3A Active CN105518326B (en) | 2013-09-09 | 2014-08-08 | Planetary transmission and method for wind power station |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9835244B2 (en) |
| EP (1) | EP3008355B1 (en) |
| CN (1) | CN105518326B (en) |
| DE (1) | DE102013217950A1 (en) |
| ES (1) | ES2666120T3 (en) |
| WO (1) | WO2015032591A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015216975B4 (en) * | 2015-09-04 | 2021-02-04 | Schaeffler Technologies AG & Co. KG | Transmission device and electric drive unit with at least one electric machine and with the transmission device |
| DE102015217906A1 (en) | 2015-09-18 | 2017-03-23 | Zf Friedrichshafen Ag | Multi-stage planetary gearbox for a wind turbine with special lubricating oil guide |
| DE102016202533A1 (en) * | 2016-02-18 | 2017-08-24 | Zf Friedrichshafen Ag | Lubrication of a spline |
| US11078888B2 (en) | 2016-08-04 | 2021-08-03 | Flender Gmbh | Wind turbine transmission |
| CN106593780A (en) * | 2016-12-30 | 2017-04-26 | 山东中车风电有限公司 | Gear case and generator integrated design transmission structure |
| CN108933500B (en) * | 2017-05-23 | 2020-06-02 | 东洋合成股份有限公司 | Wind power generation device capable of achieving low rotating speed and high electric energy |
| EP3587863A1 (en) * | 2018-06-25 | 2020-01-01 | Flender GmbH | Planetary gear, drive train, wind power plant and industry application |
| CN110953303A (en) * | 2018-09-27 | 2020-04-03 | 南京高速齿轮制造有限公司 | Gear box for wind driven generator |
| DE102018219140A1 (en) | 2018-11-09 | 2020-05-14 | Zf Friedrichshafen Ag | Branched lubricant line |
| EP3954925A1 (en) | 2020-08-11 | 2022-02-16 | Flender GmbH | Gearbox with oil supply for spline gearing and wind turbine comprising such a gearbox and computer-implemented method for simulating such a gearbox |
| EP4357644A1 (en) | 2022-10-21 | 2024-04-24 | Flender GmbH | Shaft-hub connection for a transmission |
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| EP2594789A1 (en) * | 2011-11-17 | 2013-05-22 | Winergy AG | Drive for a wind turbine |
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- 2014-08-08 ES ES14752595.0T patent/ES2666120T3/en active Active
- 2014-08-08 CN CN201480048424.3A patent/CN105518326B/en active Active
- 2014-08-08 EP EP14752595.0A patent/EP3008355B1/en active Active
- 2014-08-08 WO PCT/EP2014/067108 patent/WO2015032591A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102013217950A1 (en) | 2015-03-12 |
| ES2666120T3 (en) | 2018-05-03 |
| WO2015032591A1 (en) | 2015-03-12 |
| CN105518326A (en) | 2016-04-20 |
| US20160223073A1 (en) | 2016-08-04 |
| EP3008355B1 (en) | 2018-01-17 |
| EP3008355A1 (en) | 2016-04-20 |
| US9835244B2 (en) | 2017-12-05 |
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